Publications by authors named "J Lykkesfeldt"

Natural products constitute a vast source of bioactive compounds with the potential of providing valuable insight for future medicines. However, from a pharmacological perspective, natural product studies are also often accompanied by serious limitations due to, for example, the complex nature of biological extracts, the challenge of reproducibly characterizing the extract and providing an exhaustive list of constituents and, consequently, the difficulties in linking the observed pharmacological effects to specific chemical entities. The present paper discusses the major challenges of studies with natural products and provides a guideline to be followed by authors submitting research findings involving data from natural products, and their derivatives, to Basic & Clinical Pharmacology & Toxicology.

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Article Synopsis
  • BDUC is a difficult-to-diagnose bleeding disorder mostly affecting women, and this study explores its connection to hypermobility disorders and vitamin C levels.
  • The study included 60 patients with BDUC, finding a significant prevalence of hypermobility traits and hyperextensible skin compared to healthy controls, along with some diagnosed with hypermobile Ehlers-Danlos syndrome.
  • Results indicated that while patients had adequate vitamin C levels, they were still lower than those in healthy controls, suggesting a potential area for further research on vitamin C supplementation for BDUC patients.
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Background: Surgical stress may lead to postsurgical hypercoagulability, endothelial dysfunction and systemic inflammation, which can impact on patient recovery. Remote ischaemic preconditioning is a procedure that activates the body's endogenous defences against ischaemia and reperfusion injury. Studies have suggested that remote ischaemic preconditioning has antithrombotic, antioxidative and anti-inflammatory effects.

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With the rising prevalence of obesity globally, increasing proportions of the population may not be covered by current recommended daily allowances (RDAs) that are supposed to provide 97.5% of the population with a sufficient nutrient status but are typically based on a healthy young 70 kg male reference person. Using the EPIC-Norfolk (UK) and the NHANES (US) cohorts, we estimated the effect of body weight on the dose-concentration relationship to derive weight-based requirements to achieve an 'adequate' plasma concentration of vitamin C estimated to be 50 µmol/L.

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Context: People with type 1 diabetes (T1D) are at increased risk of thrombosis compared to the general population; however, the underlying mechanisms remain unclear. Hypoglycemia induced at rest can induce coagulation activation, but little is known about the hemostatic effects of exercise-related hypoglycemia in people with T1D.

Objective: We compared hemostatic profiles of individuals with T1D with healthy controls and explored hemostatic effects of hypoglycemia, induced with or without exercise, in participants with T1D.

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